The results show that, due to the effect of viscoelastic damping, the attenuation coefficient increases with the increasing of modal order, while the vibrational frequencies decrease with it;
计算结果表明，在粘弹性阻尼作用下，衰减系数随振型阶数而增大，振动频率随之不断减小；
The results show that, due to the effect of viscoelastic damping, the attenuation coefficient increases with the increasing of modal order, while the vibrational frequencies decrease with it;
计算结果表明，在粘弹性阻尼作用下，衰减系数随振型阶数而增大，振动频率随之不断减小；
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